INDEX. 



461 



Lichens, the reproduction of, and the 

 sexuality of the Ascomycetes, by 

 Sidney H. Vines (with Plate xx),438 



Lister (Joseph) on the nature of fer- 

 mentation, 177 



Liraulus, motility of the spermato- 

 zooids of, 453 



Magnetic particles occurring in Arc- 

 tic ice-dust, D.M.S., 346 



Marshall (A. Milues), the development 

 of the cranial nerves in the chick 

 (with Plates ii and iii), 10 



Medullai.ed nerve fibre, the micro- 

 scopic appearances of, 9G 



Medusae, recent researclies on the 

 nervous system of the, 340 



Mespilia globuf/ts, section of spine, 

 shown, D.M.S., 348 



Micrasterias, new species of, from 

 Scotland, D.M.S., 348 



Microscopic organisms to students 

 and class teachere, a central agency 

 for supply of, 210 



Monad-form probably undescribed, 

 shown, D.M.S., 213 



Moss-copper, exhibition of,D.M.S.,104 



Navicula mossiana, D.M.S., 346 



Neuman (Prof. E.), the iodine reac- 

 tion of the cells of cartilage and 

 notochord, 196 



Nervous system of the Medusse, re- 

 cent researches on the, 340 



New Mierasteria from Scotland, 

 D.M.S., 348 



New mineral from Carnmoney Hill, 

 near Belfast, shown, D.M.S., 347 



New species of Aulacodiscus shown, 

 D.M.S., 104 



„ Closterium shown, D.M.S., 214 

 ,, Craspedodiscus shown, D. M.S., 

 350 



„ Difflusia, D M.S., 212 

 „ Stauroneis, D.M.S., 108 



New variety of Sfi/sanus stemonitis 

 shown, D.M.S., 347 



Nostochaceous organism in Arctic 



. dust, D.M.S., 214 



Objectives, Zeiss's, 211 



Oikopleura rufescens from Besseli's 

 Bay sliown, D.M.S., 212 



Osciliatoria from Australian seas oc- 

 curring in large quantities, D.M.S., 

 346 



Osseous tissue, note on the structure 

 and develo})ment of, by E. A. Scha- 

 fer (with Plates vii and viii), 132 



Ovary, on the structure and develop- 

 ment of the vertebrate, by F. M. 

 Balfour (with Plates xvii — xix), 

 383 



Ovum, on the phenomena accompany- 

 ing the maturation and impregna- 

 tion of the, by F. M. Balfour, 109 

 „ the early developmental changes 

 in the reptillian, 454 



Pacinian corpuscles, reaction of, 

 shown, B.M.S., 105 



Parker (T. Jeffery), Reichenbach's re- 

 s arches on the early development 

 of the freshwater crayfish (with 

 Plate vi), 85 



Phosphorus, crystals of, shown, 

 D.iM.S., 106 



Plicmularia echinulata shown, D.M.S., 

 106 



Fodophrya gemmipara^ D.M.S., 105 



Polariscopic aspect of artificial gems, 

 D.M.S., 346 



Polysiphonia, on the development of 

 the siphons in, D.M.S., 345 

 „ on the development of tetra- 

 spores in, DJl.S., 350 



Polyzoa entoprocta, Salensky on, 199 



Power (D'Arcy) on the endothelium 

 of the body-cavity and blood- 

 vessels of the common earthworm 

 (with Plate x), 158 



Recent researches on Bacteria, 455 



„ observations on Botrydium gran- 



ulatum, 446 

 Red vascular fluid of the earthworm 



a corpusculated fluid, by Prof. Lan- 



kester, 68 

 Reptilian ovum, early developmental 



changes in the, 454 

 Rivularia, peculiar condition of, 



D.M.S., 348 



Salensky, on the Polyzoa ento- 

 procta, 199 



Scale of Amia calva, D.M.S., 106 



Schafer (E. A.), note on the structure 

 and development of osseous tissue 

 (with Plates vii and viii), 132 



Schistostega osmundacea shown, 

 D.M.S., 214 



Schwalbe (Prof.) on the postembry- 

 onal growth of bone, 198 



